1941. Reprint. 158 pages. Pictorial jacket over yellow cloth with brown decoration. Contains black and white photographic frontispiece, with other plates throughout. Also contains diagrams. Pages are lightly tanned and foxed, but text remains clear. Plates are bright. Binding is firm. Pencil inscription to front pastedown. Boards and spine have minimal shelf-wear, with minor corner bumping and crushing to ends. Clipped jacket. Light tanning and water staining to spine, edges and joints. Panels and spine have heavy edgewear, with visible rips and chipping, and heavy loss most noticeable to rear panel.